/usr/man/cat.l/select_into.l.Z(/usr/man/cat.l/select_into.l.Z)
NAME
SELECT INTO - create a new table from the results of a query
SYNOPSIS
SELECT [ ALL | DISTINCT [ ON ( expression [, ...] ) ] ]
* | expression [ AS output_name ] [, ...]
INTO [ TEMPORARY | TEMP ] [ TABLE ] new_table
[ FROM from_item [, ...] ]
[ WHERE condition ]
[ GROUP BY expression [, ...] ]
[ HAVING condition [, ...] ]
[ { UNION | INTERSECT | EXCEPT } [ ALL ] select ]
[ ORDER BY expression [ ASC | DESC | USING operator ] [, ...] ]
[ LIMIT { count | ALL } ]
[ OFFSET start ]
[ FOR UPDATE [ OF tablename [, ...] ] ]
DESCRIPTION
SELECT INTO creates a new table and fills it with data computed by a
query. The data is not returned to the client, as it is with a normal
SELECT. The new table's columns have the names and data types associ-
ated with the output columns of the SELECT.
PARAMETERS
TEMPORARY or TEMP
If specified, the table is created as a temporary table. Refer
to CREATE TABLE [create_table(l)] for details.
new_table
The name (optionally schema-qualified) of the table to be cre-
ated.
All other parameters are described in detail under SELECT [select(l)].
NOTES
CREATE TABLE AS [create_table_as(l)] is functionally equivalent to
SELECT INTO. CREATE TABLE AS is the recommended syntax, since this
form of SELECT INTO is not available in ECPG or PL/pgSQL, because they
interpret the INTO clause differently.
COMPATIBILITY
The SQL standard uses SELECT ... INTO to represent selecting values
into scalar variables of a host program, rather than creating a new ta-
ble. This indeed is the usage found in ECPG and PL/pgSQL. The Post-
greSQL usage of SELECT INTO to represent table creation is historical.
It's best to use CREATE TABLE AS for this purpose in new code. (CREATE
TABLE AS isn't standard either, but it's less likely to cause confu-
sion.)
SQL - Language Statements 2003-11-02 SELECT INTO(l)
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